UAD149A00-0-11-4模擬量控制卡件
MPC4型機(jī)械保護(hù)卡
功能?來(lái)自Vibro Meter?產(chǎn)品線(xiàn)?持續(xù)在線(xiàn)機(jī)械保護(hù)卡?使用最先進(jìn)的DSP技術(shù)進(jìn)行實(shí)時(shí)測(cè)量和監(jiān)控?4個(gè)動(dòng)態(tài)信號(hào)輸入和2個(gè)轉(zhuǎn)速表（速度）輸入，所有可單獨(dú)編程?可編程寬帶和窄帶濾波器?順序跟蹤模式下的同時(shí)振幅和相位監(jiān)測(cè)?可編程序警報(bào)，危險(xiǎn)和正常設(shè)置點(diǎn)?自適應(yīng)警報(bào)和危險(xiǎn)級(jí)別?前面板BNC連接器，用于輕松分析原始信號(hào)?7個(gè)前面板LED顯示狀態(tài)和警報(bào)?集成電源，用于許多可控震源測(cè)量?jī)x前端，包括ICP加速度計(jì)和接近系統(tǒng)?插卡和插卡，“獨(dú)立電路”和“安全”（SIL）版本MPC4卡MPC4機(jī)械保護(hù)卡是美捷特傳感系統(tǒng)的Vibro Meter?產(chǎn)品線(xiàn)VM600系列機(jī)械保護(hù)系統(tǒng)（MPS）的核心元件。這種多功能卡能夠同時(shí)測(cè)量和監(jiān)控多達(dá)四個(gè)動(dòng)態(tài)信號(hào)輸入和多達(dá)兩個(gè)速度輸入。動(dòng)態(tài)信號(hào)輸入完全可編程，可以接受代表加速度、速度和位移（接近度）等的信號(hào)。車(chē)載多通道處理允許測(cè)量各種物理參數(shù)，包括相對(duì)和絕對(duì)振動(dòng)、Smax、偏心率、推力位置、絕對(duì)和差動(dòng)外殼膨脹、位移和動(dòng)態(tài)壓力。
數(shù)字處理包括數(shù)字濾波
積分或微分（如果需要）、校正（RMS、平均值、真峰值或真峰值對(duì)峰值）、階次跟蹤（振幅和相位）和傳感器目標(biāo)間隙測(cè)量。速度（轉(zhuǎn)速表）輸入接受來(lái)自各種速度傳感器的信號(hào)，包括基于接近探頭的系統(tǒng)、磁脈沖拾取傳感器或提供TTL信號(hào)。也支持分?jǐn)?shù)轉(zhuǎn)速比。校準(zhǔn)可以公制或英制單位表示。報(bào)警和危險(xiǎn)設(shè)定點(diǎn)完全可編程，報(bào)警延時(shí)、滯后和閉鎖也是如此。警報(bào)和危險(xiǎn)級(jí)別可以根據(jù)速度或任何外部信息進(jìn)行調(diào)整。每個(gè)報(bào)警級(jí)別都有內(nèi)部數(shù)字輸出（在相應(yīng)的IOC4T卡上）。這些報(bào)警信號(hào)可在VM600機(jī)架內(nèi)的總線(xiàn)上路由，以驅(qū)動(dòng)可選繼電器卡（如IRC4和RLC16）上的繼電器。處理后的動(dòng)態(tài)（振動(dòng)）信號(hào)和速度信號(hào)可在機(jī)架后部（IOC4T前面板上）作為模擬輸出信號(hào)使用。提供基于電壓（0至10 V）和基于電流（4至20 mA）的信號(hào)。MPC4在通電時(shí)執(zhí)行自檢和診斷例行程序。此外，該卡的內(nèi)置“OK系統(tǒng)”持續(xù)監(jiān)測(cè)傳感器提供的信號(hào)水平，并指示由于傳輸線(xiàn)斷裂、傳感器或調(diào)節(jié)器故障而導(dǎo)致的任何問(wèn)題。
Machinery protection card
Type MPC4
FEATURES ? From the Vibro-Meter? product line ? Continuously online machinery protection card ? Real-time measurement and monitoring using state-of-the-art DSP techniques ? 4 dynamic signal inputs and 2 tachometer (speed) inputs, all individually programmable ? Programmable broad-band and narrow-band filters ? Simultaneous amplitude and phase monitoring in order tracking mode ? Programmable Alert, Danger and OK set points ? Adaptive Alert and Danger levels ? Front panel BNC connectors for easy analysis of raw signals ? 7 front panel LEDs show status and alarms ? Integrated power supply for many Vibro-Meter front-ends, including ICP accelerometers and proximity systems ? Live insertion and removal of cards ? Available in ‘standard’, ‘separate circuits’ and ‘safety’ (SIL) versions MPC4 card The MPC4 machinery protection card is the central element in the VM600 series machinery protection system (MPS), from Meggitt Sensing Systems’ Vibro-Meter? product line. This very versatile card is capable of measuring and monitoring up to four dynamic signal inputs and up to two speed inputs simultaneously. The dynamic signal inputs are fully programmable and can accept signals representing acceleration, velocity and displacement (proximity), among others. On-board multi-channel processing allows measurement of various physical parameters, including relative and absolute vibration, Smax, eccentricity, thrust position, absolute and differential housing expansion, displacement and dynamic pressure.
Digital processing includes digital filtering
integration or differentiation (if required), rectification (RMS, mean value, true peak or true peak-to-peak), order tracking (amplitude and phase) and measurement of the transducer-target gap. The speed (tachometer) inputs accept signals from a variety of speed sensors, including systems based on proximity probes, magnetic pulse pick-up sensors or providing TTL signals. Fractional tacho ratios are also supported. The calibration may be expressed in metric or imperial units. Alert and Danger set points are fully programmable, as are alarm time delay, hysteresis and latching. The Alert and Danger levels can be adapted as a function of the speed or any external information. A digital output is available internally (on the corresponding IOC4T card) for each alarm level. These alarm signals may be routed on a bus within the VM600 rack to drive relays on optional relay cards (such as the IRC4 and RLC16). The processed dynamic (vibration) signals and speed signals are available at the rear of the rack (on the front panel of the IOC4T) as analog output signals. Voltage-based (0 to 10 V) and current-based (4 to 20 mA) signals are provided. The MPC4 performs a self-test and diagnostic routine on power-up. In addition, the card’s built-in “OK System” continuously monitors the level of signals provided by the sensors and indicates any problem due to a broken transmission line, faulty transducer or conditioner.
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